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/*
* Copyright (C) 2023, KylinSoft Co., Ltd.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*
**/
#include "drawiconlabel.h"
#include <QPainter>
#define TOP_LEFT_CORNER 1
#define TOP_RIGHT_CORNER 2
#define BOTTOM_RIGHT_CORNER 4
#define BOTTOM_LEFT_CORNER 8
DrawIconLabel::DrawIconLabel(int radius, QWidget *parent):
mRadius(radius),
QLabel(parent)
{
setScaledContents(true);
}
DrawIconLabel::DrawIconLabel(const QPixmap &pixmap, int radius, QWidget *parent):
mPixmap(pixmap),
mRadius(radius),
QLabel(parent)
{
setScaledContents(true);
}
QPainterPath DrawIconLabel::makeRoundedRect(const QRect &rect, int radius, int corner)
{
QPainterPath path;
if(corner & TOP_LEFT_CORNER) {
path.moveTo(rect.x() + radius,rect.y());
path.arcTo(rect.x(), rect.y(), radius*2, radius*2, 90.f, 90.f);//画左上圆角
} else {
path.moveTo(rect.x(), rect.y());
}
if(corner & BOTTOM_LEFT_CORNER) {
path.lineTo(rect.x(), rect.y() + rect.height() -radius);
path.arcTo(rect.x(), rect.y() + rect.height() - radius *2, radius*2, radius*2, 180.0f, 90.f);
} else {
path.lineTo(rect.x(), rect.y() + rect.width());
}
if(corner & BOTTOM_RIGHT_CORNER) {
path.lineTo(rect.x() + rect.width() - radius,rect.y() + rect.height());
path.arcTo(rect.x() + rect.width() - 2*radius, rect.y() + rect.height() - 2*radius,radius*2, radius*2, 270.0f, 90.f);
} else {
path.lineTo(rect.x()+ rect.width(), rect.y() + rect.height());
}
if(corner & TOP_RIGHT_CORNER) {
path.lineTo(rect.x() + rect.width(), rect.y() + radius);
path.arcTo(rect.x() + rect.width() - 2*radius, rect.y(), radius*2,radius*2, 0.f, 90.f);
} else {
path.lineTo(rect.x()+ rect.width(), rect.y());
}
return path;
}
void DrawIconLabel::setIcon(const QPixmap &pixmap)
{
mPixmap = pixmap;
}
void DrawIconLabel::setRadius(int radius)
{
mRadius = radius - 2;
}
void DrawIconLabel::paintEvent(QPaintEvent *event)
{
QPainter p(this);
p.setRenderHint(QPainter::Antialiasing, true);
QPainterPath picPath = makeRoundedRect(this->rect(), mRadius, TOP_RIGHT_CORNER | BOTTOM_LEFT_CORNER | TOP_LEFT_CORNER | BOTTOM_RIGHT_CORNER);
p.setClipPath(picPath);
p.drawPixmap(this->rect(), mPixmap);
return QLabel::paintEvent(event);
}
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